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发明名称
Device for placing and removing lamp bulbs
摘要
申请公布号
US1752737(A)
申请公布日期
1930.04.01
申请号
US19280261236
申请日期
1928.03.13
申请人
THE G. C. A. MANUFACTURING COMPANY
发明人
GRINNELL HAROLD D.
分类号
H01K3/32
主分类号
H01K3/32
代理机构
代理人
主权项
地址
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